Sister-chromatid cohesion mediated by cohesin ensures proper chromosome segregation during cell division. Cohesin is also required for postreplicative DNA double-strand break repair and gene expression. The molecular mechanisms of these diverse cohesin functions remain to be elucidated. Here we report that the cohesin subunits Scc3 and Smc1 are both required for the production of the meiosis-specific subunit Rec8 in the budding yeast Saccharomyces cerevisiae. Using a genetic approach, we depleted Scc3 and Smc1 independently in cells that were undergoing meiosis. Both Scc3- and Smc1-depleted cells were inducible for meiosis, but the REC8 promoter was only marginally activated, leading to reduced levels of REC8 transcription and protein production. In contrast, the expression of MCD1, the mitotic counterpart of REC8, was not subject to Scc3 regulation in vegetative cells. We provide genetic evidence to show that sister-chromatid cohesion is not necessary for activation of REC8 gene expression. Cohesin appears to positively regulate the expression of a variety of genes during yeast meiosis. Our results suggest that the cohesin complex plays a dual role in gene regulation and sister-chromatid cohesion during meiotic differentiation in yeast.
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Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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Site | Modification | Modifier | Source | Reference |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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Evidence ID | Analyze ID | File | Description |
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